By A Mystery Man Writer
Canadian Patent Database / Base de données sur les brevets canadiens
Patstat Database Schema Note: Not all the tables are reported.Source
Patents awarded to Douglas Boynton Quine
Canadian Patent Research Database
Canadian Intellectual Property Office's Patent Services
Patent database
MPEP 1302.09: Classification, Print Figure, and Other Notations, October 2023 (BitLaw)
Espacenet – help
Patents awarded to Douglas Boynton Quine
Patents awarded to Douglas Boynton Quine
804-Definition of Double Patenting
Dann v. Johnston, 425 U.S. 219 (1976): Invention as the Absolute Prerequisite to Patentability
Business Observer 5.21.21 by The Observer Group Inc. - Issuu
Patents awarded to Douglas Boynton Quine
Canadian Patent Research Database