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Patents > National tech categories 
:
GB 4 or
USPC 244/3.23
& First filing :
No or
None
& Number of claims:
None
:
GB 4 or
USPC 244/3.23
& First filing :
No or
None
& Number of claims:
None Use the filters below to narrow your results.
Year filed:
Year granted:
Inventors:
None (3) ·
A. Rateau (1) ·
Abiather F. Potter (1) ·
Alonzo D. Perry (1) ·
B. G. Coleby (1) ·
C. F. Billwiller (1) ·
H. Middleton (1) ·
H. Neville (2) ·
H. T. Barnett (1) ·
H. Vaughan (1) ·
Halvor Halvorson (1) ·
Henri Giffard (1) ·
Henry K. Kenyon (1) ·
Henry P. Merriam (1) ·
Henry William Grylls (2) ·
J. A. A. Fontaine (1) ·
J. Holt (2) ·
J. Soumovski (1) ·
J. W. Brooks (2) ·
J.C. Ortlepp (1) ·
James Edward Nelson (1) ·
John Goucher (1) ·
John Kinnersley Smythies (1) ·
John McMurty (1) ·
Lincoln A. Merriam (2) ·
M. H. Rumpf (1) ·
Matthew Piers Watt Boulton (1) ·
R. Chillingworth (1) ·
Richard Boyman-Boyman (1) ·
Seph P. Woodbury (1) ·
Sol. S. Gray (1) ·
Theodor Schneider-Preiswerk (1) ·
Theodore A. Stark (1) ·
William McCord (1) ·
Winfield Scott Sims (1)
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Tech fields:
military (11) ·
projectile (10) ·
propulsion (9) ·
LTA (7) ·
frame (5) ·
propeller (5) ·
None (4) ·
rubber (3) ·
parachute (3) ·
hybrid (3) ·
navigation (3) ·
flapping (3) ·
balloon (3) ·
gas (2) ·
metal (2) ·
springs (2) ·
rudder (2) ·
wings (2) ·
marine (2)
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