Showing 7 results

Affidavit of E.W. Guptill and W.H. Watson's directive antennas for microwaves patent

• MS-2-665, Box 1, Folder 9
• File
• 1952

Part of Ernest Wilmot Guptill fonds

Correspondence re. E.W. Guptill's award/patent disputes

• MS-2-665, Box 1, Folder 8
• File
• 1953 - 1970

Part of Ernest Wilmot Guptill fonds

Correspondence re. E.W. Guptill's patent applications

• MS-2-665, Box 1, Folder 7
• File
• 1949 - 1958

Part of Ernest Wilmot Guptill fonds

Correspondence with Commissioner of Patents re. E.W. Guptill's directive antennas for microwaves patents

• MS-2-665, Box 1, Folder 6
• File
• 1951 - 1955

Part of Ernest Wilmot Guptill fonds

Drafts of patent application invention disclosures for directive antennae for microwaves

• MS-2-665, Box 1, Folder 5
• File
• 1945 - 1951

Part of Ernest Wilmot Guptill fonds

Lists of patents and patent applications by W.H. Watson, E.W. Guptill, and H. Gruenberg

• MS-2-665, Box 2, Folder 2
• File
• [ca. 1951]

Part of Ernest Wilmot Guptill fonds

Patent Specifications for E.W. Guptill's ultra-high frequency transmission, directive antennas for microwaves, and wave guide assemblies

• MS-2-665, Box 2, Folder 3
• File
• 1949 - 1952

Part of Ernest Wilmot Guptill fonds