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Patents > Filing date: 1800 - 1899 & Supplementary to patent : Patent NO-1915-12-15 Carl Alfred Johansson or None & First filing: Yes & Cites these patents: None

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None (602)
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Patent agent:
None (385) · Munn & Co. (41) · None (10) · C. A. Snow & Co. (5) · A. Ritter (4) · E. W. Anderson (3) · Phillips & Leigh (3) · Richards & Co. (3) · D. W. Glassie (3) · Chassevent (3) · Dumas (3) · Armengaud aîné (2) · Louis Bagger & Co. (2) · John Wedderburn (2) · Blétry aîné (2) · Blétry frères (2) · Boramé et Julien (2) · Mennons (2)
Assigned to:
None (584) · Magneso Calcite Fire-Proof Company (2)
IPCs:
None (463) · IPC B64B1/00 (34) · IPC B64C31/06 (20) · IPC B64C31/00 (18) · IPC F42B10/00 (10) · IPC B64C33/02 (10) · IPC B64C39/00 (7) · IPC B64C11/00 (5) · IPC B64B1/58 (5) · IPC A01H5/02 (4) · IPC B64B1/40 (4) · IPC B64C33/00 (3) · IPC B64C29/00 (3) · IPC B64B (3) · IPC B64C9/00 (3) · IPC B64B1/62 (3)
CPCs:
None (234) · CPC B64B1/00 (47) · CPC A63H27/08 (29) · CPC B64C27/54 (26) · CPC B64C11/006 (25) · CPC B64C11/48 (17) · CPC B64B1/40 (16) · CPC F16B2/02 (16) · CPC B64C11/04 (16) · CPC Y10T403/4677 (16) · CPC F16B2200/40 (15) · CPC F42B10/30 (15) · CPC Y02E10/72 (13) · CPC B64C33/02 (12) · CPC B64C11/00 (11) · CPC F01D5/06 (10) · CPC F05B2260/74 (10) · CPC B64C39/005 (10) · CPC B64C1/1407 (9) · CPC B63H1/04 (9)
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