David T Callahan

Inventor

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Work History

Patent OwnerApplications FiledYear
Allen-Morrison, Inc.
1
1
1986
1988

Inventor Addresses

AddressDuration
Lynchburg, VASep 15, 87 - Aug 08, 89

Technology Profile

Technology # of Patents
A47F: SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS 1
G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 1

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
4,854,4791989Adjustable cup dispensing assembly14
4,693,0261987Changeable message outdoor advertising sign24

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